33819
domain: N
Appears in sequences
- G.f.: (1+x^3)/(1-x-x^6).at n=43A193941
- Number of partitions p of n such that (maximal multiplicity over the parts of p) = (number of numbers in p having multiplicity > 1).at n=53A241132
- Number of (n,3)-polyominoes.at n=6A286345
- Euler transform of A055457.at n=36A373296
- Array read by diagonals downwards: A(n,k) for n>=2 and k>=0 is the number of (n,k)-polyominoes.at n=41A381030